1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
25 #ifdef HAVE_SYS_SOCKET_H
26 #include <sys/socket.h>
28 #ifdef HAVE_SYS_IOCTL_H
29 #include <sys/ioctl.h>
41 #if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE))
42 #include <sys/filio.h>
52 * curlx_nonblock() set the given socket to either blocking or non-blocking
53 * mode based on the 'nonblock' boolean argument. This function is highly
56 int curlx_nonblock(curl_socket_t sockfd, /* operate on this */
57 int nonblock /* TRUE or FALSE */)
59 #if defined(USE_BLOCKING_SOCKETS)
61 return 0; /* returns success */
63 #elif defined(HAVE_FCNTL_O_NONBLOCK)
65 /* most recent unix versions */
67 flags = fcntl(sockfd, F_GETFL, 0);
69 return fcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
71 return fcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK));
73 #elif defined(HAVE_IOCTL_FIONBIO)
75 /* older unix versions */
78 return ioctl(sockfd, FIONBIO, &flags);
80 #elif defined(HAVE_IOCTLSOCKET_FIONBIO)
85 return ioctlsocket(sockfd, FIONBIO, &flags);
87 #elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO)
90 return IoctlSocket(sockfd, FIONBIO, (long)nonblock);
92 #elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK)
95 long b = nonblock ? 1 : 0;
96 return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
99 # error "no non-blocking method was found/used/set"